Riassunto:
In 1969 the North Atlantic Treaty Organization established the Committee on the Challenges of Modern Society. Air Pollution was from the start one of the priority problems under study within the framework of the pilot studies undertaken by this Committee. The organization of a yearly symposium dealing with air pollution modeling and its application is one of the main activities within the pilot study in relation to air pollution. After being organized for five years by the United States and for five years by the Federal Republic of Germany, Belgium, represented by the Prime Minister's Office for science Policy, became responsible in 1980 for the organization of this symposium. This volume contains the papers presented at the 14th Inter national Technical Meeting on Air Pollution Modeling and its Appli cation held in Copenhagen, Denmark, from 27th to 30th September 1983. This meeting was jointly organized by the Prime Minister's Office for Science Policy, Belgium, and the National Agency of Environmental Protection, Air Pollution Laboratory, Ris~ National Laboratory, Denmark. The conference was attended by 103 partici pants and 43 papers have been presented. The members of the se lection committee of the 14th I.T.M. were A. Berger (Chairman, Belgium), W. Klug (Federal Republic of Germany), K. Demerjian (United States of America), L. Santomauro (Italy), R. Van Dop (The Netherlands), R.E. Turner (Canada), C. De Wispelaere (Coordinator, Belgium).
Contenuti:
Parameterization of Transformation and Removal Processes in Air Quality Modelling.- Aspects of parameterization of transformation and removal processes in air quality modelling.- An examination of linear parameterizations in a statistical long-range transport model.- A multi-layered, long-range transport, Lagrangian trajectory model: comparison with fully mixed single layer models.- Analysis of acid deposition due to sulfer dioxide emissions from Ohio.- Development of an acid rain impact assessment model.- Estimation of North American anthropogenic sulfer deposition as a function of source/receptor separation.- Chemistry of sulfate and nitrate formation.- The use of field data in average wet deposition modeling.- Modeling of chemical transformations of S0x and N0x in the polluted atmosphere — an overview of approaches and current status.- Plume model for nitrogen oxides.- Dry deposition of fine particles to city surfaces.- Coastal Meteorology Related to Air Pollution Modeling.- A review of coastal zone meteorological processes important to the modeling of air pollution.- Review of selected three-dimensional numerical sea breeze models.- Simulations of a tracer experiment in the Øresund region.- The shoreline environment atmospheric dispersion experiment (Seadex).- Dispersion conditions over land and water in a coastal zone revealed by measurements at two meteorological masts.- Numerical simulation of coastal internal boundary layer developments and a comparison with simple models.- Application to the Belgian coast of a 2-dimensional primitive equation model using ? coordinate.- Analysis of tetroon flights performed during the pukk meso-scale experiment.- Lagrangian Modelling for Synoptic Range Transport.- Long range transport of air pollutants on the synoptic scale.- Sensitivity studies with a LRT model.- The green river ambient model assessment program.- Application of a mesoscale lagrangian puff-model to the measurements of S02-pollution transports over Belgium.- Testing a statistical long-range transport model on European and North American observations.- Analysis of episodes with high pollutant concentrations in Berlin (West) using backward trajectories.- Atmospheric Experiments Pertinent to Air Quality Modeling.- Atmospheric field experiments for evaluating, pollutant transport and dispersion in complex terrain.- Regional-scale pollutant transport Studies in the Northeastern United States.- Instantaneous observations of plume dispersion in the surface layer.- A literature study on tracer experiments for atmospheric dispersion study.- Downwind hazard distances for pollutants over land and sea.- Remote sensing of stability conditions during severe fog episodes.- Some preliminary results obtained using a recently developed conditional tracer release system for studying atmospheric dispersion.- EPA Model development for stable plume impingement on elevated terrain obstacles.- Practical Applications of Air Quality Modeling.- Methodologies to validate multiple source madels : an application to the 5th European campaign on remote sensing techniques (Ghent, Belgium, 1981).- Simulated pollutant transport over the Ghent industrial area.- A nonlinear programming search technique to locate position and magnitude of the maximum air quality impact from point sources.- An operational air pollution model.- The relation of urban model performamce to stability.- Simulation of transformation, buyoyancy and removal processes by lagrangian particle methods.- Wind-field and pollutant mass-flow simulation over an urban area.- Particle simulation of dust transport and deposition and comparison with conventional models.- Atmospheric diffusion modelling by stochastic differential equations.- Pollution episodes in situations of weak winds : an application of the K-model.- Participants.- Author’s Index.
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